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Date: Tue, 12 Sep 2017 16:41:50 -0700 From: Pravin Shelar <pshelar@....org> To: Haishuang Yan <yanhaishuang@...s.chinamobile.com> Cc: "David S. Miller" <davem@...emloft.net>, Alexey Kuznetsov <kuznet@....inr.ac.ru>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, Linux Kernel Network Developers <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org, Pravin B Shelar <pshelar@...ira.com> Subject: Re: [PATCH v4 1/2] ip_tunnel: fix ip tunnel lookup in collect_md mode On Tue, Sep 12, 2017 at 2:47 AM, Haishuang Yan <yanhaishuang@...s.chinamobile.com> wrote: > In collect_md mode, if the tun dev is down, it still can call > ip_tunnel_rcv to receive on packets, and the rx statistics increase > improperly. > > When the md tunnel is down, it's not neccessary to increase RX drops > for the tunnel device, packets would be recieved on fallback tunnel, > and the RX drops on fallback device will be increased as expected. > > Fixes: 2e15ea390e6f ("ip_gre: Add support to collect tunnel metadata.") > Cc: Pravin B Shelar <pshelar@...ira.com> > Signed-off-by: Haishuang Yan <yanhaishuang@...s.chinamobile.com> Acked-by: Pravin B Shelar <pshelar@....org>
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